about inference bug？

[xiyangyang99]

i try run demo.py but output invalid nargs value????? how to deal with the bug ?

python demo.py --config-file /media/bowen/d44126bd-0a14-4766-85bd-50e05fe1d36e/home/bowen/MaskDINO-main/configs/coco/instance-segmentation/maskdino_R50_bs16_50ep_3s.yaml --input /media/bowen/d44126bd-0a14-4766-85bd-50e05fe1d36e/home/bowen/MaskDINO-main/yeya_cifanban_2.jpg --output /media/bowen/d44126bd-0a14-4766-85bd-50e05fe1d36e/home/bowen/MaskDINO-main/yeya_cifanban_22.jpg --opts MODEL.WEIGHTS /media/bowen/d44126bd-0a14-4766-85bd-50e05fe1d36e/home/bowen/MaskDINO-main/maskdino_r50_50ep_300q_hid1024_3sd1_instance_maskenhanced_mask46.1ap_box51.5ap.pth Traceback (most recent call last): File "demo.py", line 101, in args = get_parser().parse_args() File "demo.py", line 55, in get_parser parser.add_argument( File "/home/bowen/anaconda3/envs/yolo8/lib/python3.8/argparse.py", line 1382, in add_argument self._get_formatter()._format_args(action, None) File "/home/bowen/anaconda3/envs/yolo8/lib/python3.8/argparse.py", line 606, in _format_args raise ValueError("invalid nargs value") from None ValueError: invalid nargs value